Additionally, Amazon Prime members, who receive unlimited two-day shipping on many items the retailer has to offer, will be able to order as late as Friday and receive the shipment on Sunday, free of charge.

Amazon initially launched its Sunday delivery program in Los Angeles and New York last November.

The company said that it will continue to roll it out Sunday delivery service with the Postal Service to “a large portion” of the U.S. population throughout the remainder of the year.

“So far, the most common items delivered on Sunday include baby supplies such as newborn apparel, books and toys. Sunday delivery is clearly crossing errands off the weekend to-do list,” said Mike Roth, Amazon’s vice president of North America operations. “We know our Amazon customers love the convenience of everyday delivery, and we’re excited to be offering Sunday delivery in more cities across the U.S.”